<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2017/7/6 0006
 * Time: 10:56
 */
function upload(){
    $upload = new \Think\Upload();// 实例化上传类
    $upload->maxSize   =     3145728 ;// 设置附件上传大小
    $upload->exts      =     array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型
    $upload->rootPath  =     './Uploads/'; // 设置附件上传根目录
    $upload->savePath  =     ''; // 设置附件上传（子）目录
    // 上传文件
    $info   =   $upload->upload();

    if($info == false) {// 上传错误提示错误信息
        $this->error($upload->getError());
    }else
    {// 上传成功

        return $info;
    }
}